No. 1 (1902)- Issues for 1902-1955/1956 numbered no. 1-55; issues for 1956/1957- numbered consecutively beginning with 56; numbering dropped after 95 (1995/1996). Issues for <1923>-1982/1983 include individual department reports issued also separately.
byCarnegie Institution of Washington. Dept. of Terrestrial Magnetism; Australian Commonwealth Bureau of Geology, Geophysics, and Mineral Resources; Parkinson, W. C.; Wood, F. W.; Scott, W. E.; Balsam, Ella